This digital input module records binary signals from sensors operating in Zone 0+1 hazardous areas, permitting channel-by-channel short circuit and wire-break diagnostics. NAMUR sensors, optocouplers, mechanical contacts (LED diagnostics can be turned off via control byte) or other actuating elements can be connected via intrinsically safe devices. The WAGO I/O System 750 XTR must be installed either in Zone 2 or in a non-hazardous area. Each sensor is supplied with a short-circuit-protected voltage of 8.2 V. Indicators: Green LED (signal ON) Red LED (short circuit) Red flashing LED (wire-break) Field and system levels are electrically isolated. The device is ideal for operation in extreme environments thanks to: An extended temperature range Greater immunity to impulse voltages and electromagnetic interference Higher vibration and shock resistance